impl/visit.hpp
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decltype ((static_cast<boost::json::visitor_checker<boost::json::value&>&>({parm#1}))((std::declval<decltype(nullptr)&>)())) boost::json::visit<boost::json::visitor_checker<boost::json::value&>&>(boost::json::visitor_checker<boost::json::value&>&, boost::json::value&)
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decltype ((static_cast<boost::json::(anonymous namespace)::value_hasher&&>({parm#1}))((std::declval<decltype(nullptr) const&>)())) boost::json::visit<boost::json::(anonymous namespace)::value_hasher>(boost::json::(anonymous namespace)::value_hasher&&, boost::json::value const&)
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decltype ((static_cast<boost::json::visitor_checker<boost::json::value const&> const&>({parm#1}))((std::declval<decltype(nullptr) const&>)())) boost::json::visit<boost::json::visitor_checker<boost::json::value const&> const&>(boost::json::visitor_checker<boost::json::value const&> const&, boost::json::value const&)
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| Line | TLA | Hits | Source Code |
|---|---|---|---|
| 1 | // | ||
| 2 | // Copyright (c) 2019 Vinnie Falco (vinnie.falco@gmail.com) | ||
| 3 | // | ||
| 4 | // Distributed under the Boost Software License, Version 1.0. (See accompanying | ||
| 5 | // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) | ||
| 6 | // | ||
| 7 | // Official repository: https://github.com/boostorg/json | ||
| 8 | // | ||
| 9 | |||
| 10 | #ifndef BOOST_JSON_IMPL_VISIT_HPP | ||
| 11 | #define BOOST_JSON_IMPL_VISIT_HPP | ||
| 12 | |||
| 13 | namespace boost { | ||
| 14 | namespace json { | ||
| 15 | |||
| 16 | namespace detail { | ||
| 17 | |||
| 18 | extern | ||
| 19 | BOOST_JSON_DECL | ||
| 20 | std::nullptr_t stable_np; | ||
| 21 | |||
| 22 | } // namespace detail | ||
| 23 | |||
| 24 | template<class Visitor> | ||
| 25 | auto | ||
| 26 | 16x | visit( | |
| 27 | Visitor&& v, | ||
| 28 | value& jv) -> decltype( | ||
| 29 | static_cast<Visitor&&>(v)( std::declval<std::nullptr_t&>() ) ) | ||
| 30 | { | ||
| 31 | 16x | switch(jv.kind()) | |
| 32 | { | ||
| 33 | 2x | default: // unreachable()? | |
| 34 | 2x | case kind::string: return static_cast<Visitor&&>(v)( jv.get_string() ); | |
| 35 | 2x | case kind::array: return static_cast<Visitor&&>(v)( jv.get_array() ); | |
| 36 | 2x | case kind::object: return static_cast<Visitor&&>(v)( jv.get_object() ); | |
| 37 | 2x | case kind::bool_: return static_cast<Visitor&&>(v)( jv.get_bool() ); | |
| 38 | 2x | case kind::int64: return static_cast<Visitor&&>(v)( jv.get_int64() ); | |
| 39 | 2x | case kind::uint64: return static_cast<Visitor&&>(v)( jv.get_uint64() ); | |
| 40 | 2x | case kind::double_: return static_cast<Visitor&&>(v)( jv.get_double() ); | |
| 41 | 2x | case kind::null: return static_cast<Visitor&&>(v)( detail::stable_np ) ; | |
| 42 | } | ||
| 43 | } | ||
| 44 | |||
| 45 | template<class Visitor> | ||
| 46 | auto | ||
| 47 | 264x | visit( | |
| 48 | Visitor&& v, | ||
| 49 | value const& jv) -> decltype( | ||
| 50 | static_cast<Visitor&&>(v)( std::declval<std::nullptr_t const&>() ) ) | ||
| 51 | { | ||
| 52 | 264x | detail::scalar const& sc = detail::access::get_scalar(jv); | |
| 53 | 264x | switch(jv.kind()) | |
| 54 | { | ||
| 55 | 46x | default: // unreachable()? | |
| 56 | 46x | case kind::string: return static_cast<Visitor&&>(v)( jv.get_string() ); | |
| 57 | 12x | case kind::array: return static_cast<Visitor&&>(v)( jv.get_array() ); | |
| 58 | 22x | case kind::object: return static_cast<Visitor&&>(v)( jv.get_object() ); | |
| 59 | // local variables work around a bug in older clangs | ||
| 60 | 30x | case kind::bool_: { | |
| 61 | 30x | bool const& b = sc.b; | |
| 62 | 30x | return static_cast<Visitor&&>(v)(b); | |
| 63 | } | ||
| 64 | 92x | case kind::int64: { | |
| 65 | 92x | std::int64_t const& i = sc.i; | |
| 66 | 92x | return static_cast<Visitor&&>(v)(i); | |
| 67 | } | ||
| 68 | 18x | case kind::uint64: { | |
| 69 | 18x | std::uint64_t const& u = sc.u; | |
| 70 | 18x | return static_cast<Visitor&&>(v)(u); | |
| 71 | } | ||
| 72 | 10x | case kind::double_: { | |
| 73 | 10x | double const& d = sc.d; | |
| 74 | 10x | return static_cast<Visitor&&>(v)(d); | |
| 75 | } | ||
| 76 | 34x | case kind::null: { | |
| 77 | 34x | auto const& np = detail::stable_np; | |
| 78 | 34x | return static_cast<Visitor&&>(v)(np) ; | |
| 79 | } | ||
| 80 | } | ||
| 81 | } | ||
| 82 | |||
| 83 | |||
| 84 | template<class Visitor> | ||
| 85 | auto | ||
| 86 | 24x | visit( | |
| 87 | Visitor&& v, | ||
| 88 | value&& jv) -> decltype( | ||
| 89 | static_cast<Visitor&&>(v)( std::declval<std::nullptr_t&&>() ) ) | ||
| 90 | { | ||
| 91 | 24x | switch(jv.kind()) | |
| 92 | { | ||
| 93 | 3x | default: // unreachable()? | |
| 94 | 3x | case kind::string: return static_cast<Visitor&&>(v)(std::move( jv.get_string() )); | |
| 95 | 3x | case kind::array: return static_cast<Visitor&&>(v)(std::move( jv.get_array() )); | |
| 96 | 3x | case kind::object: return static_cast<Visitor&&>(v)(std::move( jv.get_object() )); | |
| 97 | 3x | case kind::bool_: return static_cast<Visitor&&>(v)(std::move( detail::access::get_scalar(jv).b )); | |
| 98 | 3x | case kind::int64: return static_cast<Visitor&&>(v)(std::move( detail::access::get_scalar(jv).i )); | |
| 99 | 3x | case kind::uint64: return static_cast<Visitor&&>(v)(std::move( detail::access::get_scalar(jv).u )); | |
| 100 | 3x | case kind::double_: return static_cast<Visitor&&>(v)(std::move( detail::access::get_scalar(jv).d )); | |
| 101 | 3x | case kind::null: return static_cast<Visitor&&>(v)(std::move( detail::stable_np )) ; | |
| 102 | } | ||
| 103 | } | ||
| 104 | |||
| 105 | } // namespace json | ||
| 106 | } // namespace boost | ||
| 107 | |||
| 108 | #endif | ||
| 109 |